Eastman Model EBC836S Professional 6/4 CC Tuba

Eastman Model EBC836S Professional 6/4 CC TubaEastman EBC836S Professional 6 4 CC Tuba Overview The Eastman EBC836 is a 6 4 size tuba inspired by the legendary York orchestral CC tuba. This large tuba is at home on stage with a symphony orchestra or concert band, in the pit of an opera or ballet orchestra or in small chamber ensembles. This silver plated tuba features four front action stainless steel pistons through a semi stepped bore and a right thumb operated fifth rotor valve through a .

Eastman EBC836S Professional 6/4 CC Tuba Overview

The Eastman EBC836 is a 6/4 size tuba inspired by the legendary York orchestral CC tuba. This large tuba is at home on stage with a symphony orchestra or concert band, in the pit of an opera or ballet orchestra or in small chamber ensembles. This silver-plated tuba features four front-action stainless steel pistons through a semi-stepped bore and a right thumb-operated fifth rotor valve through a .850" bore. 

Eastman EBC836S Professional 6/4 CC Tuba Specifications

• Key of CC, 6/4 size
• .750" bore
• 20" upright bell
• 4 front-action pistons + 5th rotary valve
• Silver plate finish
• Laskey 30H EU mouthpiece
• Deluxe case w/wheels

Condition & Setup

Brand new with full manufacturer's warranty. Professionally set up and play-tested in our shop prior to shipment.

Who the Eastman EBC836S Tuba is for

The Eastman EBC836S CC Tuba is built for serious tubists who need a true orchestral sound with real presence. Designed for advanced students, conservatory players, and working professionals, this large 6/4 CC tuba delivers a broad, dark tonal core with the kind of projection and depth required for symphonic repertoire, opera, and large concert halls. Its five-valve configuration offers excellent flexibility and secure intonation across the full range, making it well suited for demanding orchestral literature. Players who are comfortable handling a full-size instrument and want a classic, powerful CC tuba voice will find the EBC836S an ideal choice for high-level ensemble and professional performance.

Common Questions about the Eastman EBC836S Tuba

What is the difference between a 4/4 and a 6/4 Tuba?

A 4/4 tuba is the standard “full-size” instrument most players learn on and use regularly—it’s balanced, versatile, easier to handle, and works well in everything from school bands to orchestras and chamber settings. A 6/4 tuba, by contrast, is significantly larger and built for maximum breadth and power. It produces a wider, darker, more enveloping sound that fills large concert halls with ease, but it requires more air, physical endurance, and control. In practice, 4/4 tubas are general-purpose instruments, while 6/4 tubas are specialist tools for big orchestral and symphonic repertoire where sheer sonic weight and presence are essential.

What effect does finish have on my tuba's sound?

The sound difference between silver-plated and lacquer tubas is subtle but noticeable to experienced players. Silver plate tends to feel a bit more immediate and lively, with slightly quicker response and a clearer articulation—many players describe the sound as having a bit more “sparkle” or definition. Lacquer, on the other hand, is often perceived as a touch warmer and rounder, with a smoother, more blended sound and a slightly softer edge to attacks. That said, the player, the instrument’s design, and mouthpiece choice have a far greater impact than the finish alone—finish differences are more about feel and nuance than a dramatic change in tone.

Why does the EBC836S have 5 valves?

The additional 5th rotary valve expands the lower range and improves intonation in challenging passages, giving players more flexibility and accuracy.

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